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Title: Search for CP Violation in D ± Meson Decays to Φπ ±

We search for CP violation in Cabibbo-suppressed charged D meson decays by measuring the difference between the CP-violating asymmetries for the Cabibbo-suppressed decays D ±→K⁺K⁻π ± and the Cabibbo-favored decays D ± s→K⁺K⁻π ± in the K⁺K⁻ mass region of the Φ resonance. Using 955 fb⁻¹ of data collected with the Belle detector, we obtain A D⁺→Φπ⁺ CP=(+0.51±0.28±0.05)%. The measurement improves the sensitivity of previous searches by more than a factor of 5. We find no evidence for direct CP violation.
Authors:
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Publication Date:
Type:
Publisher's Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Name: Physical Review Letters Journal Volume: 108 Journal Issue: 7; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
OSTI Identifier:
1099155

Starič, M., Aihara, H., Arinstein, K., Asner, D. M., Aushev, T., Bakich, A. M., Bay, A., Bhardwaj, V., Bhuyan, B., Bozek, A., Bračko, M., Browder, T. E., Chen, A., Chen, P., Cheon, B. G., Chilikin, K., Chistov, R., Cho, I.-S., Cho, K., Choi, Y., Doležal, Z., Drásal, Z., Eidelman, S., Fast, J. E., Gaur, V., Gabyshev, N., Golob, B., Haba, J., Hayasaka, K., Horii, Y., Hoshi, Y., Hou, W.-S., Hsiung, Y. B., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwabuchi, M., Iwasaki, Y., Iwashita, T., Julius, T., Kang, J. H., Kawasaki, T., Kiesling, C., Kim, H. J., Kim, H. O., Kim, J. B., Kim, K. T., Kim, M. J., Kim, Y. J., Kinoshita, K., Ko, B. R., Kobayashi, N., Koblitz, S., Kodyš, P., Korpar, S., Križan, P., Kumita, T., Kwon, Y.-J., Lange, J. S., Lee, S.-H., Li, J., Li, Y., Libby, J., Liu, C., Liu, Z. Q., Louvot, R., McOnie, S., Miyabayashi, K., Miyata, H., Miyazaki, Y., Mohanty, G. B., Nakano, E., Natkaniec, Z., Nishida, S., Nitoh, O., Nozaki, T., Ohshima, T., Okuno, S., Olsen, S. L., Pakhlova, G., Park, H. K., Park, K. S., Pestotnik, R., Petrič, M., Piilonen, L. E., Röhrken, M., Ryu, S., Sahoo, H., Sakai, K., Sakai, Y., Sanuki, T., Schneider, O., Schwanda, C., Schwartz, A. J., Seon, O., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Simon, F., Smerkol, P., Sohn, Y.-S., Sokolov, A., Stanič, S., Sumihama, M., Sumisawa, K., Tatishvili, G., Teramoto, Y., Trabelsi, K., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Varner, G., Vossen, A., Wang, C. H., Wang, M.-Z., Watanabe, M., Watanabe, Y., Williams, K. M., Won, E., Yabsley, B. D., Yamashita, Y., Yuan, C. Z., Zhang, C. C., Zhang, Z. P., Zhilich, V., Zhulanov, V., and Zupanc, A.. Search for CP Violation in D± Meson Decays to Φπ±. United States: N. p., Web. doi:10.1103/PhysRevLett.108.071801.
Starič, M., Aihara, H., Arinstein, K., Asner, D. M., Aushev, T., Bakich, A. M., Bay, A., Bhardwaj, V., Bhuyan, B., Bozek, A., Bračko, M., Browder, T. E., Chen, A., Chen, P., Cheon, B. G., Chilikin, K., Chistov, R., Cho, I.-S., Cho, K., Choi, Y., Doležal, Z., Drásal, Z., Eidelman, S., Fast, J. E., Gaur, V., Gabyshev, N., Golob, B., Haba, J., Hayasaka, K., Horii, Y., Hoshi, Y., Hou, W.-S., Hsiung, Y. B., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwabuchi, M., Iwasaki, Y., Iwashita, T., Julius, T., Kang, J. H., Kawasaki, T., Kiesling, C., Kim, H. J., Kim, H. O., Kim, J. B., Kim, K. T., Kim, M. J., Kim, Y. J., Kinoshita, K., Ko, B. R., Kobayashi, N., Koblitz, S., Kodyš, P., Korpar, S., Križan, P., Kumita, T., Kwon, Y.-J., Lange, J. S., Lee, S.-H., Li, J., Li, Y., Libby, J., Liu, C., Liu, Z. Q., Louvot, R., McOnie, S., Miyabayashi, K., Miyata, H., Miyazaki, Y., Mohanty, G. B., Nakano, E., Natkaniec, Z., Nishida, S., Nitoh, O., Nozaki, T., Ohshima, T., Okuno, S., Olsen, S. L., Pakhlova, G., Park, H. K., Park, K. S., Pestotnik, R., Petrič, M., Piilonen, L. E., Röhrken, M., Ryu, S., Sahoo, H., Sakai, K., Sakai, Y., Sanuki, T., Schneider, O., Schwanda, C., Schwartz, A. J., Seon, O., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Simon, F., Smerkol, P., Sohn, Y.-S., Sokolov, A., Stanič, S., Sumihama, M., Sumisawa, K., Tatishvili, G., Teramoto, Y., Trabelsi, K., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Varner, G., Vossen, A., Wang, C. H., Wang, M.-Z., Watanabe, M., Watanabe, Y., Williams, K. M., Won, E., Yabsley, B. D., Yamashita, Y., Yuan, C. Z., Zhang, C. C., Zhang, Z. P., Zhilich, V., Zhulanov, V., & Zupanc, A.. Search for CP Violation in D± Meson Decays to Φπ±. United States. doi:10.1103/PhysRevLett.108.071801.
Starič, M., Aihara, H., Arinstein, K., Asner, D. M., Aushev, T., Bakich, A. M., Bay, A., Bhardwaj, V., Bhuyan, B., Bozek, A., Bračko, M., Browder, T. E., Chen, A., Chen, P., Cheon, B. G., Chilikin, K., Chistov, R., Cho, I.-S., Cho, K., Choi, Y., Doležal, Z., Drásal, Z., Eidelman, S., Fast, J. E., Gaur, V., Gabyshev, N., Golob, B., Haba, J., Hayasaka, K., Horii, Y., Hoshi, Y., Hou, W.-S., Hsiung, Y. B., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwabuchi, M., Iwasaki, Y., Iwashita, T., Julius, T., Kang, J. H., Kawasaki, T., Kiesling, C., Kim, H. J., Kim, H. O., Kim, J. B., Kim, K. T., Kim, M. J., Kim, Y. J., Kinoshita, K., Ko, B. R., Kobayashi, N., Koblitz, S., Kodyš, P., Korpar, S., Križan, P., Kumita, T., Kwon, Y.-J., Lange, J. S., Lee, S.-H., Li, J., Li, Y., Libby, J., Liu, C., Liu, Z. Q., Louvot, R., McOnie, S., Miyabayashi, K., Miyata, H., Miyazaki, Y., Mohanty, G. B., Nakano, E., Natkaniec, Z., Nishida, S., Nitoh, O., Nozaki, T., Ohshima, T., Okuno, S., Olsen, S. L., Pakhlova, G., Park, H. K., Park, K. S., Pestotnik, R., Petrič, M., Piilonen, L. E., Röhrken, M., Ryu, S., Sahoo, H., Sakai, K., Sakai, Y., Sanuki, T., Schneider, O., Schwanda, C., Schwartz, A. J., Seon, O., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T.-A., Shiu, J.-G., Shwartz, B., Simon, F., Smerkol, P., Sohn, Y.-S., Sokolov, A., Stanič, S., Sumihama, M., Sumisawa, K., Tatishvili, G., Teramoto, Y., Trabelsi, K., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Varner, G., Vossen, A., Wang, C. H., Wang, M.-Z., Watanabe, M., Watanabe, Y., Williams, K. M., Won, E., Yabsley, B. D., Yamashita, Y., Yuan, C. Z., Zhang, C. C., Zhang, Z. P., Zhilich, V., Zhulanov, V., and Zupanc, A.. 2012. "Search for CP Violation in D± Meson Decays to Φπ±". United States. doi:10.1103/PhysRevLett.108.071801.
@article{osti_1099155,
title = {Search for CP Violation in D± Meson Decays to Φπ±},
author = {Starič, M. and Aihara, H. and Arinstein, K. and Asner, D. M. and Aushev, T. and Bakich, A. M. and Bay, A. and Bhardwaj, V. and Bhuyan, B. and Bozek, A. and Bračko, M. and Browder, T. E. and Chen, A. and Chen, P. and Cheon, B. G. and Chilikin, K. and Chistov, R. and Cho, I.-S. and Cho, K. and Choi, Y. and Doležal, Z. and Drásal, Z. and Eidelman, S. and Fast, J. E. and Gaur, V. and Gabyshev, N. and Golob, B. and Haba, J. and Hayasaka, K. and Horii, Y. and Hoshi, Y. and Hou, W.-S. and Hsiung, Y. B. and Iijima, T. and Inami, K. and Ishikawa, A. and Itoh, R. and Iwabuchi, M. and Iwasaki, Y. and Iwashita, T. and Julius, T. and Kang, J. H. and Kawasaki, T. and Kiesling, C. and Kim, H. J. and Kim, H. O. and Kim, J. B. and Kim, K. T. and Kim, M. J. and Kim, Y. J. and Kinoshita, K. and Ko, B. R. and Kobayashi, N. and Koblitz, S. and Kodyš, P. and Korpar, S. and Križan, P. and Kumita, T. and Kwon, Y.-J. and Lange, J. S. and Lee, S.-H. and Li, J. and Li, Y. and Libby, J. and Liu, C. and Liu, Z. Q. and Louvot, R. and McOnie, S. and Miyabayashi, K. and Miyata, H. and Miyazaki, Y. and Mohanty, G. B. and Nakano, E. and Natkaniec, Z. and Nishida, S. and Nitoh, O. and Nozaki, T. and Ohshima, T. and Okuno, S. and Olsen, S. L. and Pakhlova, G. and Park, H. K. and Park, K. S. and Pestotnik, R. and Petrič, M. and Piilonen, L. E. and Röhrken, M. and Ryu, S. and Sahoo, H. and Sakai, K. and Sakai, Y. and Sanuki, T. and Schneider, O. and Schwanda, C. and Schwartz, A. J. and Seon, O. and Sevior, M. E. and Shebalin, V. and Shen, C. P. and Shibata, T.-A. and Shiu, J.-G. and Shwartz, B. and Simon, F. and Smerkol, P. and Sohn, Y.-S. and Sokolov, A. and Stanič, S. and Sumihama, M. and Sumisawa, K. and Tatishvili, G. and Teramoto, Y. and Trabelsi, K. and Uchida, M. and Uehara, S. and Uglov, T. and Unno, Y. and Uno, S. and Urquijo, P. and Varner, G. and Vossen, A. and Wang, C. H. and Wang, M.-Z. and Watanabe, M. and Watanabe, Y. and Williams, K. M. and Won, E. and Yabsley, B. D. and Yamashita, Y. and Yuan, C. Z. and Zhang, C. C. and Zhang, Z. P. and Zhilich, V. and Zhulanov, V. and Zupanc, A.},
abstractNote = {We search for CP violation in Cabibbo-suppressed charged D meson decays by measuring the difference between the CP-violating asymmetries for the Cabibbo-suppressed decays D±→K⁺K⁻π± and the Cabibbo-favored decays D±s→K⁺K⁻π± in the K⁺K⁻ mass region of the Φ resonance. Using 955 fb⁻¹ of data collected with the Belle detector, we obtain AD⁺→Φπ⁺CP=(+0.51±0.28±0.05)%. The measurement improves the sensitivity of previous searches by more than a factor of 5. We find no evidence for direct CP violation.},
doi = {10.1103/PhysRevLett.108.071801},
journal = {Physical Review Letters},
number = 7,
volume = 108,
place = {United States},
year = {2012},
month = {2}
}